Nitro-9 — Whenever Ace, Fearless Rebel attacks, you may sacrifice an artifact. When you do, put a +1/+1 counter on Ace, Fearless Rebel, then it fights up to one target creature defending player controls.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Whenever you attack a player with one or more equipped creatures, draw a card.

: You may unattach an Equipment from a creature you control. If you do, tap that creature and it gains indestructible until end of turn.

Target creature gets +3/+3 and gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

( can be paid with either or 2 life.)

Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

Target creature gets +2/+2 until end of turn.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Flash

Enchant creature

As Benevolent Blessing enters the battlefield, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Auras and Equipment you control that are already attached to it.

Escalate (Pay this cost for each mode chosen beyond the first.)

Choose one or more —

• Target player gains 4 life.

• Untap up to two target creatures.

• Target opponent sacrifices an attacking creature.

Target creature you control gets +2/+0 and gains lifelink until end of turn. When that creature dies this turn, create a 1/1 white Spirit creature token with flying.

Exile target creature or enchantment.

Exile target creature an opponent controls. That player reveals cards from the top of their library until a creature card is revealed. The player puts that card onto the battlefield, then shuffles the rest into their library.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

You gain 3 life for each creature attacking you.

Flying

Whenever you cast an enchantment spell, put a +1/+1 counter on Blessed Spirits.

You gain 1 life.

Draw a card at the beginning of the next turn's upkeep.

Target creature gets +2/+1 until end of turn. If it's legendary, it also gains lifelink until end of turn.

Flash

Enchant creature

At the beginning of your upkeep, you lose 1 life.

: Regenerate enchanted creature.

Distribute four +1/+1 counters among any number of target creatures.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Bottomless Vault enters the battlefield tapped.

You may choose not to untap Bottomless Vault during your untap step.

At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it.

, Remove any number of storage counters from Bottomless Vault: Add for each storage counter removed this way.

You may cast Spirit spells as though they had flash.

Whenever you cast a creature spell during an opponent's turn, tap up to one target creature.

Untapped creatures you control get +0/+2.

Partner with Ukkima, Stalking Shadow (When this creature enters the battlefield, target player may put Ukkima into their hand from their library, then shuffle.)

Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on that creature.

You gain 5 life.

Whenever you attack, target attacking Vampire that isn't a Demon becomes a Demon in addition to its other types. It gains "When this creature dies, draw a card and create a tapped 4/3 white and black Vampire Demon creature token with flying."

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Enchant creature

Enchanted creature gets +0/+2 for each other creature you control.

Enchant player

Whenever a land enters the battlefield under enchanted player's control, you create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Whenever Dauntless Avenger attacks, return target creature card with mana value 2 or less from your graveyard to the battlefield tapped and attacking.

, Exile Dauntless Cathar from your graveyard: Create a 1/1 white Spirit creature token with flying. Activate only as a sorcery.

Dauntless Dourbark's power and toughness are each equal to the number of Forests you control plus the number of Treefolk you control.

Dauntless Dourbark has trample as long as you control another Treefolk.

Up to two target creatures each get +2/+2 until end of turn.

When Dauntless Survivor enters the battlefield, put a +1/+1 counter on target creature.

Daxos's toughness is equal to your devotion to white. (Each in the mana costs of permanents you control counts toward your devotion to white.)

Whenever another creature you control enters the battlefield or dies, you gain 1 life.

Flying

: Target creature gains indestructible until end of turn.

Haste

When you gain life for the first time each turn, return Deathless Knight from your graveyard to your hand.

You have no maximum hand size.

: Add one mana of any color.

Return target creature to its owner's hand.

: Exile another target creature you control, then return it to the battlefield under its owner's control.

Whenever another creature enters the battlefield under your control, you may pay . If you do, put a +1/+1 counter on it. If it's a Unicorn, put two +1/+1 counters on it instead. ( can be paid with either or .)

, : Draw a card. Activate only if you control three or more lands with the same name.

The owner of target spell, nonland permanent, or card in a graveyard puts it on the top or bottom of their library.

When Endless Horizons enters the battlefield, search your library for any number of Plains cards, exile them, then shuffle.

At the beginning of your upkeep, you may put a card you own exiled with Endless Horizons into your hand.

Endless One enters the battlefield with X +1/+1 counters on it.

: Add .

, : Exile target creature you control.

, , Sacrifice Endless Sands: Return each creature card exiled with Endless Sands to the battlefield under its owner's control.

Create a 1/1 green Snake creature token for each card in your hand.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability.)

Trample

At the beginning of your upkeep, sacrifice Endless Wurm unless you sacrifice an enchantment.

Haste

: Regenerate Eron the Relentless.

Changeling

When Faceless Agent enters the battlefield, seek a creature card of the most prevalent creature type in your library. (To seek a card, put one at random from your library into your hand.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

When Faceless Devourer enters the battlefield, exile another target creature with shadow.

When Faceless Devourer leaves the battlefield, return the exiled card to the battlefield under its owner's control.

If Faceless One is your commander, choose a color before the game begins. Faceless One is the chosen color.

Choose a Background (You can have a Background as a second commander.)

Discard a card, then draw a card.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

First strike

Boast — : Fearless Pup gets +2/+0 until end of turn. (Activate only if this creature attacked this turn and only once each turn.)